7The role of nutrition is fundamental to human health and well-being. It is, however, often overlooked when treating people with mental health problems. Nutrition and Mental Health: a handbook explains the science behind nutrition and its effects on mental health in a clear, accessible way. It helps readers to think about the complex and dynamic relationship between mental health, diet and nutrition. It explores how mental health and mental illness related factors, dietary factors and other social, biological and environmental factors interact to affect mental well-being.